{"id":"site-4403/zad/4418","paper_id":"site-4403","number":"4418","points":null,"ptype":"open","subject":"matematyka","category":"zbiory","year":2015,"month":null,"level":"podstawowa","text":"Suma wszystkich pierwiastków równania (x+3)(x+7)(x-11) = 0 jest równa A. -1, B. 21, C. 1, D. -21.","answer":null,"answer_text":null,"solution":null,"image":"img/site/4403/zad-4418.svg","solution_image":"img/site/4403/rozw-4418.svg","topics":null,"page_from":null,"source":"site","answer_source":null,"answer_text_source":null,"solution_source":null,"text_source":"site","source_label":"Matematyka · Zbiory zadań · 2015 (podstawowa)","subject_label":"Matematyka","category_label":"Zbiory zadań","text_html":"<p>Suma wszystkich pierwiastków równania (x+3)(x+7)(x-11) = 0 jest równa A. -1, B. 21, C. 1, D. -21.</p>","solutions":[{"source":"site","label":"matematykaszkolna.pl","kind":"image","image":"/img/site/4403/rozw-4418.svg"}]}